+++ /dev/null
-/*
- * Forum view (threaded/flat)
- *
- * Copyright (c) 1996-2018 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "webcit.h"
-
-struct mthread {
- long msgnum;
- time_t datetime;
- int threadhash;
- int refhashes[10];
- char from[64];
- int parent;
-};
-
-
-// Renderer for one message in the threaded view
-// (This will probably work for the flat view too.)
-//
-void forum_render_one_message(struct ctdlsession *c, StrBuf *sj, long msgnum)
-{
- StrBuf *raw_msg = NULL;
- StrBuf *sanitized_msg = NULL;
- char buf[1024];
- char content_transfer_encoding[1024] = { 0 };
- char content_type[1024] = { 0 };
- char author[128] = { 0 };
- char datetime[128] = { 0 } ;
-
- ctdl_printf(c, "MSG4 %ld", msgnum);
- ctdl_readline(c, buf, sizeof(buf));
- if (buf[0] != '1') {
- StrBufAppendPrintf(sj, "<div>ERROR CONDITION FIXME WRITE A BOX</div>");
- return;
- }
-
- while ( (ctdl_readline(c, buf, sizeof(buf)) >= 0) && (strcmp(buf, "text")) && (strcmp(buf, "000")) ) {
- // citadel header parsing here
- if (!strncasecmp(buf, "from=", 5)) {
- safestrncpy(author, &buf[5], sizeof author);
- }
- if (!strncasecmp(buf, "time=", 5)) {
- time_t tt;
- struct tm tm;
- tt = atol(&buf[5]);
- localtime_r(&tt, &tm);
- strftime(datetime, sizeof datetime, "%c", &tm);
- }
- }
-
- if (!strcmp(buf, "text")) {
- while ( (ctdl_readline(c, buf, sizeof(buf)) >= 0) && (strcmp(buf, "")) && (strcmp(buf, "000")) ) {
- // rfc822 header parsing here
- if (!strncasecmp(buf, "Content-transfer-encoding:", 26)) {
- strcpy(content_transfer_encoding, &buf[26]);
- striplt(content_transfer_encoding);
- }
- if (!strncasecmp(buf, "Content-type:", 13)) {
- strcpy(content_type, &buf[13]);
- striplt(content_type);
- }
- }
- raw_msg = ctdl_readtextmsg(c);
- }
- else {
- raw_msg = NULL;
- }
-
- // begin output
-
- StrBufAppendPrintf(sj, "<div>"); // begin message wrapper
- StrBufAppendPrintf(sj, "<div style=\"float:left;padding-right:2px\">"); // begin avatar FIXME move the style to a stylesheet
- StrBufAppendPrintf(sj, "<i class=\"fa fa-user-circle fa-2x\"></i> "); // FIXME temporary avatar
- StrBufAppendPrintf(sj, "</div>"); // end avatar
- StrBufAppendPrintf(sj, "<div>"); // begin content
- StrBufAppendPrintf(sj, "<div>"); // begin header
- StrBufAppendPrintf(sj, "<span class=\"ctdl-username\"><a href=\"#\">%s</a></span> ", author); // FIXME link to user profile or whatever
- StrBufAppendPrintf(sj, "<span class=\"ctdl-msgdate\">%s</span> ", datetime);
- StrBufAppendPrintf(sj, "</div>"); // end header
- StrBufAppendPrintf(sj, "<div>"); // begin body
-
- if (raw_msg) {
-
- // These are the encodings we know how to handle. Decode in-place.
-
- if (!strcasecmp(content_transfer_encoding, "base64")) {
- StrBufDecodeBase64(raw_msg);
- }
- if (!strcasecmp(content_transfer_encoding, "quoted-printable")) {
- StrBufDecodeQP(raw_msg);
- }
-
- // At this point, raw_msg contains the decoded message.
- // Now run through the renderers we have available.
-
- if (!strncasecmp(content_type, "text/html", 9)) {
- sanitized_msg = html2html("UTF-8", 0, c->room, msgnum, raw_msg);
- }
- else if (!strncasecmp(content_type, "text/plain", 10)) {
- sanitized_msg = text2html("UTF-8", 0, c->room, msgnum, raw_msg);
- }
- else if (!strncasecmp(content_type, "text/x-citadel-variformat", 25)) {
- sanitized_msg = variformat2html(raw_msg);
- }
- else {
- sanitized_msg = NewStrBufPlain(HKEY("<i>No renderer for this content type</i><br>"));
- }
- FreeStrBuf(&raw_msg);
-
- // If sanitized_msg is not NULL, we have rendered the message and can output it.
-
- if (sanitized_msg) {
- StrBufAppendBuf(sj, sanitized_msg, 0);
- FreeStrBuf(&sanitized_msg);
- }
- }
-
- StrBufAppendPrintf(sj, "</div>"); // end body
- StrBufAppendPrintf(sj, "</div>"); // end content
- StrBufAppendPrintf(sj, "</div>"); // end wrapper
-}
-
-
-// Commands we need to send to Citadel Server before we begin rendering forum view.
-// These are common to flat and threaded views.
-//
-void setup_for_forum_view(struct ctdlsession *c)
-{
- char buf[1024];
- ctdl_printf(c, "MSGP text/html|text/plain"); // Declare the MIME types we know how to render
- ctdl_readline(c, buf, sizeof(buf)); // Ignore the response
- ctdl_printf(c, "MSGP dont_decode"); // Tell the server we will decode base64/etc client-side
- ctdl_readline(c, buf, sizeof(buf)); // Ignore the response
-}
-
-
-#if 0
-
-// This code implements the thread display code. The thread sorting algorithm is working nicely but we're trying
-// not to do rendering in the C server of webcit. Maybe move it into the server as "MSGS threaded" or something like that?
-
-// Threaded view (recursive section)
-//
-void thread_o_print(struct ctdlsession *c, StrBuf *sj, struct mthread *m, int num_msgs, int where_parent_is, int nesting_level)
-{
- int i = 0;
- int j = 0;
- int num_printed = 0;
-
- for (i=0; i<num_msgs; ++i) {
- if (m[i].parent == where_parent_is) {
-
- if (++num_printed == 1) {
- StrBufAppendPrintf(sj, "<ul style=\"list-style-type: none;\">");
- }
-
- StrBufAppendPrintf(sj, "<li class=\"post\" id=\"post-%ld\">", m[i].msgnum);
- forum_render_one_message(c, sj, m[i].msgnum);
- StrBufAppendPrintf(sj, "</li>\r\n");
- if (i != 0) {
- thread_o_print(c, sj, m, num_msgs, i, nesting_level+1);
- }
- }
- }
-
- if (num_printed > 0) {
- StrBufAppendPrintf(sj, "</ul>");
- }
-}
-
-
-// Threaded view (entry point)
-//
-void threaded_view(struct http_transaction *h, struct ctdlsession *c, char *which)
-{
- int num_msgs = 0;
- int num_alloc = 0;
- struct mthread *m;
- char buf[1024];
- char refs[1024];
- int i, j, k;
-
- ctdl_printf(c, "MSGS ALL|||9"); // 9 == headers + thread references
- ctdl_readline(c, buf, sizeof(buf));
- if (buf[0] != '1') {
- do_404(h);
- return;
- }
-
- StrBuf *sj = NewStrBuf();
- StrBufAppendPrintf(sj, "<html><body>\r\n");
-
- while (ctdl_readline(c, buf, sizeof buf), strcmp(buf,"000")) {
-
- ++num_msgs;
- if (num_msgs > num_alloc) {
- if (num_alloc == 0) {
- num_alloc = 100;
- m = malloc(num_alloc * sizeof(struct mthread));
- }
- else {
- num_alloc *= 2;
- m = realloc(m, (num_alloc * sizeof(struct mthread)));
- }
- }
-
- memset(&m[num_msgs-1], 0, sizeof(struct mthread));
- m[num_msgs-1].msgnum = extract_long(buf, 0);
- m[num_msgs-1].datetime = extract_long(buf, 1);
- extract_token(m[num_msgs-1].from, buf, 2, '|', sizeof m[num_msgs-1].from);
- m[num_msgs-1].threadhash = extract_int(buf, 6);
- extract_token(refs, buf, 7, '|', sizeof refs);
-
- char *t;
- char *r = refs;
- i = 0;
- while ((t = strtok_r(r, ",", &r))) {
- if (i == 0) {
- m[num_msgs-1].refhashes[0] = atoi(t); // always keep the first one
- }
- else {
- memcpy(&m[num_msgs-1].refhashes[1], &m[num_msgs-1].refhashes[2], sizeof(int)*8 ); // shift the rest
- m[num_msgs-1].refhashes[9] = atoi(t);
- }
- ++i;
- }
-
- }
-
- // Sort by thread. I did read jwz's sorting algorithm and it looks pretty good, but jwz is a self-righteous asshole so we do it our way.
- for (i=0; i<num_msgs; ++i) {
- for (j=9; (j>=0)&&(m[i].parent==0); --j) {
- for (k=0; (k<num_msgs)&&(m[i].parent==0); ++k) {
- if (m[i].refhashes[j] == m[k].threadhash) {
- m[i].parent = k;
- }
- }
- }
- }
-
- // Now render it
- setup_for_forum_view(c);
- thread_o_print(c, sj, m, num_msgs, 0, 0); // Render threads recursively and recursively
-
- // Garbage collection is for people who aren't smart enough to manage their own memory.
- if (num_msgs > 0) {
- free(m);
- }
-
- StrBufAppendPrintf(sj, "</body></html>\r\n");
-
- add_response_header(h, strdup("Content-type"), strdup("text/html; charset=utf-8"));
- h->response_code = 200;
- h->response_string = strdup("OK");
- h->response_body_length = StrLength(sj);
- h->response_body = SmashStrBuf(&sj);
- return;
-}
-
-
-// flat view (entry point)
-//
-void flat_view(struct http_transaction *h, struct ctdlsession *c, char *which)
-{
- StrBuf *sj = NewStrBuf();
- StrBufAppendPrintf(sj, "<html><body>\r\n");
-
- setup_for_forum_view(c);
- long *msglist = get_msglist(c, "ALL");
- if (msglist) {
- int i;
- for (i=0; (msglist[i] > 0); ++i) {
- forum_render_one_message(c, sj, msglist[i]);
- }
- free(msglist);
- }
-
- StrBufAppendPrintf(sj, "</body></html>\r\n");
-
- add_response_header(h, strdup("Content-type"), strdup("text/html; charset=utf-8"));
- h->response_code = 200;
- h->response_string = strdup("OK");
- h->response_body_length = StrLength(sj);
- h->response_body = SmashStrBuf(&sj);
- return;
-}
-
-
-// render one message (entire transaction) FIXME EXTERMINATE
-//
-void html_render_one_message(struct http_transaction *h, struct ctdlsession *c, long msgnum)
-{
- StrBuf *sj = NewStrBuf();
- StrBufAppendPrintf(sj, "<html><body>\r\n");
- setup_for_forum_view(c); // FIXME way too inefficient to do this for every message !!!!!!!!!!!!!
- forum_render_one_message(c, sj, msgnum);
- StrBufAppendPrintf(sj, "</body></html>\r\n");
- add_response_header(h, strdup("Content-type"), strdup("text/html; charset=utf-8"));
- h->response_code = 200;
- h->response_string = strdup("OK");
- h->response_body_length = StrLength(sj);
- h->response_body = SmashStrBuf(&sj);
- return;
-}
-
-#endif
-
-// Fetch a single message and return it in JSON format for client-side rendering
-//
-void json_render_one_message(struct http_transaction *h, struct ctdlsession *c, long msgnum)
-{
- StrBuf *raw_msg = NULL;
- StrBuf *sanitized_msg = NULL;
- char buf[1024];
- char content_transfer_encoding[1024] = { 0 };
- char content_type[1024] = { 0 };
- char author[128] = { 0 };
- char datetime[128] = { 0 } ;
-
- setup_for_forum_view(c);
-
- ctdl_printf(c, "MSG4 %ld", msgnum);
- ctdl_readline(c, buf, sizeof(buf));
- if (buf[0] != '1') {
- do_404(h);
- return;
- }
-
- JsonValue *j = NewJsonObject(HKEY("message"));
-
- while ( (ctdl_readline(c, buf, sizeof(buf)) >= 0) && (strcmp(buf, "text")) && (strcmp(buf, "000")) ) {
- // citadel header parsing here
- if (!strncasecmp(buf, "from=", 5)) {
- JsonObjectAppend(j, NewJsonPlainString( HKEY("from"), &buf[5], -1));
- }
- if (!strncasecmp(buf, "rfca=", 5)) {
- JsonObjectAppend(j, NewJsonPlainString( HKEY("from"), &buf[5], -1));
- }
- if (!strncasecmp(buf, "time=", 5)) {
- time_t tt;
- struct tm tm;
- tt = atol(&buf[5]);
- localtime_r(&tt, &tm);
- strftime(datetime, sizeof datetime, "%c", &tm);
- JsonObjectAppend(j, NewJsonPlainString( HKEY("time"), datetime, -1));
- }
- }
-
- if (!strcmp(buf, "text")) {
- while ( (ctdl_readline(c, buf, sizeof(buf)) >= 0) && (strcmp(buf, "")) && (strcmp(buf, "000")) ) {
- // rfc822 header parsing here
- if (!strncasecmp(buf, "Content-transfer-encoding:", 26)) {
- strcpy(content_transfer_encoding, &buf[26]);
- striplt(content_transfer_encoding);
- }
- if (!strncasecmp(buf, "Content-type:", 13)) {
- strcpy(content_type, &buf[13]);
- striplt(content_type);
- }
- }
- raw_msg = ctdl_readtextmsg(c);
- }
- else {
- raw_msg = NULL;
- }
-
- if (raw_msg) {
-
- // These are the encodings we know how to handle. Decode in-place.
-
- if (!strcasecmp(content_transfer_encoding, "base64")) {
- StrBufDecodeBase64(raw_msg);
- }
- if (!strcasecmp(content_transfer_encoding, "quoted-printable")) {
- StrBufDecodeQP(raw_msg);
- }
-
- // At this point, raw_msg contains the decoded message.
- // Now run through the renderers we have available.
-
- if (!strncasecmp(content_type, "text/html", 9)) {
- sanitized_msg = html2html("UTF-8", 0, c->room, msgnum, raw_msg);
- }
- else if (!strncasecmp(content_type, "text/plain", 10)) {
- sanitized_msg = text2html("UTF-8", 0, c->room, msgnum, raw_msg);
- }
- else if (!strncasecmp(content_type, "text/x-citadel-variformat", 25)) {
- sanitized_msg = variformat2html(raw_msg);
- }
- else {
- sanitized_msg = NewStrBufPlain(HKEY("<i>No renderer for this content type</i><br>"));
- }
- FreeStrBuf(&raw_msg);
-
- // If sanitized_msg is not NULL, we have rendered the message and can output it.
-
- if (sanitized_msg) {
- JsonObjectAppend(j, NewJsonString(HKEY("text"), sanitized_msg, NEWJSONSTRING_SMASHBUF));
- }
- }
-
- StrBuf *sj = NewStrBuf();
- SerializeJson(sj, j, 1); // '1' == free the source object
-
- add_response_header(h, strdup("Content-type"), strdup("application/json"));
- h->response_code = 200;
- h->response_string = strdup("OK");
- h->response_body_length = StrLength(sj);
- h->response_body = SmashStrBuf(&sj);
-}
projects / citadel.git / blobdiff